These problems can be mitigated through the process of design, which is an intellectual approach that emphasizes empathy, abductive reasoning, and rapid prototyping. Horst Rittel, one of the first to formalize a theory of wicked problems, cites ten characteristics of these complicated social issues Rittel, Horst. Dilemmas in a General Theory of Planning.. Policy Sciences, 1973: 155-169.
Increased ADH levels are often associated with SIADH, which may be due to a variety of cancers, including leukemia, lymphoma, and cancers of the lung, pancreas, bladder, and brain. Levels of ADH may be greatly increased with such cancers.
The parathyroid hormone (PTH) causes increases in the serum calcium levels (through acting in the gut, kidneys, bone and Vit.D) and the calcitonin hormone antagonizes the action of PTH. Excess of PTH causes hyperparathyroidism, and the deficit causes hypoparathyroidism.he parathyroid hormone (PTH) causes increases in the serum calcium levels (through acting in the gut, kidneys, bone and Vit.D) and the calcitonin hormone antagonizes the action of PTH. Excess of PTH causes hyperparathyroidism, and the deficit causes hypoparathyroidism.